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User profile for user: Fanfwe
Fanfwe Author
User level: Level 1
14 points

IOUserEthernetController causes frequent kernel panic on new M1 MBP with Mac OS 11.1

Hi,

I've been using my new Apple Silicon M1 Macbook Pro for a few weeks now.

But I've already experienced a few times a kernel panic, always with the same reason:

panic(cpu 1 caller 0xfffffe00273aca38): "busy timeout[0], (60s): 'IOUserEthernetController', 'IOUserEthernetController'"


I can't tell for sure, but it may have started after I upgraded MacOS from 11.0 to 11.1. At least I do not recall seeing the crash before the upgrade.

All I know is that it now happens more or less once per day, which is kind of frustrating.


Anyone else is seeing this on their new M1 machine ?

MacBook Pro 13″, macOS 11.1

Posted on Jan 20, 2021 11:48 PM

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User profile for user: brianj123
brianj123
User level: Community Specialist

Jan 24, 2021 5:05 AM in response to Fanfwe

Hello Fanfwe,


Thanks for using Apple Support Communities! We understand you are experiencing an issue with your Mac crashing at times due to a kernel panic. We are happy to help provide some guidance.


To start, please try out the steps listed here:


If your Mac restarted because of a problem


Those steps are designed to troubleshoot software and hardware for the exact issue you're experiencing.


Keep us updated on how it goes, we are here for you!


Cheers.

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IOUserEthernetController causes frequent kernel panic on new M1 MBP with Mac OS 11.1

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